INTEGRATED PASSIVE AND ACTIVE CONTROL OF HUMMING NOISE FROM KCGM’S HAUL TRUCKS

对 KCGM 运输卡车发出的嗡嗡声进行集成被动和主动控制

• 批准号: LP140100987
• 负责人: Prof Dr Jie Pan
• 金额: $ 17.61万
• 依托单位: The University of Western Australia
• 依托单位国家: 澳大利亚
• 项目类别: Linkage Projects
• 财政年份: 2015
• 资助国家: 澳大利亚
• 起止时间: 2015-05-07 至 2020-05-06
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/LP140100987
• 关键词: INTEGRATED; PASSIVE; ACTIVE; CONTROL; HUMMING

This project aims to resolve an environmental noise issue caused by the humming noise of Kalgoorlie Consolidated Gold Mines haul trucks in the areas of Kalgoorlie, Boulder, and Williamstown. This solution utilises integrated passive and active control systems to attenuate the frequency components of humming noise from a truck’s exhaust and engine. A novel aspect of this technique is the use of passive micro-perforated structures to provide the necessary sound absorption capability and to alter the sound propagation and radiation properties of the truck exhaust and engine, and increase the effectiveness of active control.

该项目旨在解决Kalgoorlie、Boulder和Williamstown地区Kalgoorlie联合金矿运输卡车的嗡嗡声引起的环境噪音问题。该解决方案利用集成的被动和主动控制系统来衰减卡车排气和发动机发出的嗡嗡声的频率成分。该技术的一个新颖方面是使用被动微穿孔结构来提供必要的吸声能力，并改变卡车排气和发动机的声音传播和辐射特性，并增加主动控制的有效性。